INS Sagardhwani Marine Acoustic Research Ship (MARS)

The hull and machinery are very similar to the Sandhayak Class survey vessels, but the bridge positioned amidships and a helicopter platform forward. There are two large cranes and a gantry for deploying and recovering research equipment. There are a total of eight labs to permit conducting acoustic, geological, meteorological, chemical and physical oceanography. Most of the laboratories are acoustically isolated from the ship's structure. Carries 116 tons fresh water. The vessel is painted white except for the lift equipment and two rescue boats which are painted in orange. The vessel was employed in advanced torpedo trials and missile range support. Platform for one HAL Chetak